12210021112222 has 8 divisors (see below), whose sum is σ = 18740962637496. Its totient is φ = 5963033566392.

The previous prime is 12210021112207. The next prime is 12210021112259. The reversal of 12210021112222 is 22221112001221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12210021112222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70988494753 + ... + 70988494924.

It is an arithmetic number, because the mean of its divisors is an integer number (2342620329687).

Almost surely, 2^{12210021112222} is an apocalyptic number.

12210021112222 is a deficient number, since it is larger than the sum of its proper divisors (6530941525274).

12210021112222 is a wasteful number, since it uses less digits than its factorization.

12210021112222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141976989722.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12210021112222 its reverse (22221112001221), we get a palindrome (34431133113443).

The spelling of 12210021112222 in words is "twelve trillion, two hundred ten billion, twenty-one million, one hundred twelve thousand, two hundred twenty-two".